Eroare de compilare: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h: In instantiation of ‘std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_T1, _T2>&&) [with _T1 = char [21]; _T2 = int]’: /usr/include/c++/4.8/bits/stl_algo.h:2188:17: required from ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<char [21], int>*; _Compare = bool (*)(std::pair<char [21], int>, std::pair<char [21], int>)]’ /usr/include/c++/4.8/bits/stl_algo.h:2250:70: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::pair<char [21], int>*; _Compare = bool (*)(std::pair<char [21], int>, std::pair<char [21], int>)]’ /usr/include/c++/4.8/bits/stl_algo.h:5514:55: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::pair<char [21], int>*; _Compare = bool (*)(std::pair<char [21], int>, std::pair<char [21], int>)]’ user.cpp:79:27: required from here /usr/include/c++/4.8/bits/stl_pair.h:170:8: error: invalid array assignment first = std::forward<first_type>(__p.first); ^